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Finding the Fourth Proportional to 18,332.76, 25,299.23 and 9,949.26

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Solution

The fourth proportional to 18,332.76, 25,299.23 and 9,949.26 is: 13,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.76 : 25,299.23 = 9,949.26 : x
  2. Step 2: Convert to fraction form
    18,332.76/25,299.23 = 9,949.26/x
  3. Step 3: Cross multiply
    18,332.76x = 25,299.23 × 9,949.26
  4. Step 4: Simplify right side
    18,332.76x = 251,708,567.32
  5. Step 5: Solve for x
    x = 251,708,567.32/18,332.76
  6. Step 6: Final answer
    x = 13,729.99

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.